Look for a pattern #3
Find these products: 7 x 9, 77 x 99, 777 x 999.
Predict the product for 77,777 x 99999.
What two numbers give a product of 77,762,223?
This is another "look for a pattern" problem. Do the first few multiplications
by hand or with a calculator. Be alert for the pattern!
As always, be sure to explain the work you did
to arrive
at your answers!